320436480

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:182

約数の個数: 432

約数和(自身を含む): 1291840704

約数和(自身を除く): 971404224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 128, 130, 131, 140, 147, 156, 160, 168, 182, 192, 195, 196, 208, 210, 224, 240, 245, 256, 260, 262, 273, 280, 294, 312, 320, 336, 364, 384, 390, 392, 393, 416, 420, 448, 455, 480, 490, 520, 524, 546, 560, 588, 624, 637, 640, 655, 672, 728, 735, 768, 780, 784, 786, 832, 840, 896, 910, 917, 960, 980, 1040, 1048, 1092, 1120, 1176, 1248, 1274, 1280, 1310, 1344, 1365, 1456, 1470, 1560, 1568, 1572, 1664, 1680, 1703, 1792, 1820, 1834, 1911, 1920, 1960, 1965, 2080, 2096, 2184, 2240, 2352, 2496, 2548, 2620, 2688, 2730, 2751, 2912, 2940, 3120, 3136, 3144, 3185, 3328, 3360, 3406, 3640, 3668, 3822, 3840, 3920, 3930, 4160, 4192, 4368, 4480, 4585, 4704, 4992, 5096, 5109, 5240, 5376, 5460, 5502, 5824, 5880, 6240, 6272, 6288, 6370, 6419, 6720, 6812, 7280, 7336, 7644, 7840, 7860, 8320, 8384, 8515, 8736, 8960, 9170, 9408, 9555, 9984, 10192, 10218, 10480, 10920, 11004, 11648, 11760, 11921, 12480, 12544, 12576, 12740, 12838, 13440, 13624, 13755, 14560, 14672, 15288, 15680, 15720, 16640, 16768, 17030, 17472, 18340, 18816, 19110, 19257, 20384, 20436, 20960, 21840, 22008, 23296, 23520, 23842, 24960, 25152, 25480, 25545, 25676, 26880, 27248, 27510, 29120, 29344, 30576, 31360, 31440, 32095, 33536, 34060, 34944, 35763, 36680, 37632, 38220, 38514, 40768, 40872, 41920, 43680, 44016, 47040, 47684, 49920, 50304, 50960, 51090, 51352, 54496, 55020, 58240, 58688, 59605, 61152, 62720, 62880, 64190, 68120, 69888, 71526, 73360, 76440, 77028, 81536, 81744, 83447, 83840, 87360, 88032, 94080, 95368, 96285, 100608, 101920, 102180, 102704, 108992, 110040, 116480, 117376, 119210, 122304, 125760, 128380, 136240, 143052, 146720, 152880, 154056, 163072, 163488, 166894, 167680, 174720, 176064, 178815, 188160, 190736, 192570, 203840, 204360, 205408, 217984, 220080, 234752, 238420, 244608, 250341, 251520, 256760, 272480, 286104, 293440, 305760, 308112, 326976, 333788, 349440, 352128, 357630, 381472, 385140, 407680, 408720, 410816, 417235, 435968, 440160, 476840, 489216, 500682, 503040, 513520, 544960, 572208, 586880, 611520, 616224, 653952, 667576, 704256, 715260, 762944, 770280, 815360, 817440, 821632, 834470, 880320, 953680, 1001364, 1027040, 1089920, 1144416, 1173760, 1223040, 1232448, 1251705, 1307904, 1335152, 1430520, 1525888, 1540560, 1634880, 1643264, 1668940, 1760640, 1907360, 2002728, 2054080, 2179840, 2288832, 2446080, 2464896, 2503410, 2670304, 2861040, 3051776, 3081120, 3269760, 3337880, 3521280, 3814720, 4005456, 4108160, 4577664, 4929792, 5006820, 5340608, 5722080, 6162240, 6539520, 6675760, 7629440, 8010912, 8216320, 9155328, 10013640, 10681216, 11444160, 12324480, 13351520, 15258880, 16021824, 20027280, 21362432, 22888320, 24648960, 26703040, 32043648, 40054560, 45776640, 53406080, 64087296, 80109120, 106812160, 160218240, 320436480]

約数ペア:

[(1, 320436480), (2, 160218240), (3, 106812160), (4, 80109120), (5, 64087296), (6, 53406080), (7, 45776640), (8, 40054560), (10, 32043648), (12, 26703040), (13, 24648960), (14, 22888320), (15, 21362432), (16, 20027280), (20, 16021824), (21, 15258880), (24, 13351520), (26, 12324480), (28, 11444160), (30, 10681216), (32, 10013640), (35, 9155328), (39, 8216320), (40, 8010912), (42, 7629440), (48, 6675760), (49, 6539520), (52, 6162240), (56, 5722080), (60, 5340608), (64, 5006820), (65, 4929792), (70, 4577664), (78, 4108160), (80, 4005456), (84, 3814720), (91, 3521280), (96, 3337880), (98, 3269760), (104, 3081120), (105, 3051776), (112, 2861040), (120, 2670304), (128, 2503410), (130, 2464896), (131, 2446080), (140, 2288832), (147, 2179840), (156, 2054080), (160, 2002728), (168, 1907360), (182, 1760640), (192, 1668940), (195, 1643264), (196, 1634880), (208, 1540560), (210, 1525888), (224, 1430520), (240, 1335152), (245, 1307904), (256, 1251705), (260, 1232448), (262, 1223040), (273, 1173760), (280, 1144416), (294, 1089920), (312, 1027040), (320, 1001364), (336, 953680), (364, 880320), (384, 834470), (390, 821632), (392, 817440), (393, 815360), (416, 770280), (420, 762944), (448, 715260), (455, 704256), (480, 667576), (490, 653952), (520, 616224), (524, 611520), (546, 586880), (560, 572208), (588, 544960), (624, 513520), (637, 503040), (640, 500682), (655, 489216), (672, 476840), (728, 440160), (735, 435968), (768, 417235), (780, 410816), (784, 408720), (786, 407680), (832, 385140), (840, 381472), (896, 357630), (910, 352128), (917, 349440), (960, 333788), (980, 326976), (1040, 308112), (1048, 305760), (1092, 293440), (1120, 286104), (1176, 272480), (1248, 256760), (1274, 251520), (1280, 250341), (1310, 244608), (1344, 238420), (1365, 234752), (1456, 220080), (1470, 217984), (1560, 205408), (1568, 204360), (1572, 203840), (1664, 192570), (1680, 190736), (1703, 188160), (1792, 178815), (1820, 176064), (1834, 174720), (1911, 167680), (1920, 166894), (1960, 163488), (1965, 163072), (2080, 154056), (2096, 152880), (2184, 146720), (2240, 143052), (2352, 136240), (2496, 128380), (2548, 125760), (2620, 122304), (2688, 119210), (2730, 117376), (2751, 116480), (2912, 110040), (2940, 108992), (3120, 102704), (3136, 102180), (3144, 101920), (3185, 100608), (3328, 96285), (3360, 95368), (3406, 94080), (3640, 88032), (3668, 87360), (3822, 83840), (3840, 83447), (3920, 81744), (3930, 81536), (4160, 77028), (4192, 76440), (4368, 73360), (4480, 71526), (4585, 69888), (4704, 68120), (4992, 64190), (5096, 62880), (5109, 62720), (5240, 61152), (5376, 59605), (5460, 58688), (5502, 58240), (5824, 55020), (5880, 54496), (6240, 51352), (6272, 51090), (6288, 50960), (6370, 50304), (6419, 49920), (6720, 47684), (6812, 47040), (7280, 44016), (7336, 43680), (7644, 41920), (7840, 40872), (7860, 40768), (8320, 38514), (8384, 38220), (8515, 37632), (8736, 36680), (8960, 35763), (9170, 34944), (9408, 34060), (9555, 33536), (9984, 32095), (10192, 31440), (10218, 31360), (10480, 30576), (10920, 29344), (11004, 29120), (11648, 27510), (11760, 27248), (11921, 26880), (12480, 25676), (12544, 25545), (12576, 25480), (12740, 25152), (12838, 24960), (13440, 23842), (13624, 23520), (13755, 23296), (14560, 22008), (14672, 21840), (15288, 20960), (15680, 20436), (15720, 20384), (16640, 19257), (16768, 19110), (17030, 18816), (17472, 18340)]